---
title: "Changes to Update an existing message in the conversation"
method: POST
path: "/v1/Conversations/{ConversationSid}/Messages/{Sid}"
---

# Changes to Update an existing message in the conversation

`POST /v1/Conversations/{ConversationSid}/Messages/{Sid}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 5 of 51 revisions.

- **2025-07-03** (v1) `92d1169c37c2` — 2 breaking
- **2025-03-11** (v1) `b4d0e634cd69` — 2 breaking
- **2024-08-26** (v1) `5265b2a49bcb` — 1 info
- **2023-09-21** (v1) `bf66b70e986b` — 1 info
- **2023-08-10** (v1) `4e3f150aaa78` — 1 info

## Changes

- **2025-07-03** (v1) `92d1169c37c2` — 2 breaking
  - the `delivery` response's property type changed from `object` to no type for status `200`
  - the `media/items/` response's property type changed from `object` to no type for status `200`
- **2025-03-11** (v1) `b4d0e634cd69` — 2 breaking
  - the `delivery` response's property type changed from no type to `object` for status `200`
  - the `media/items/` response's property type changed from no type to `object` for status `200`
- **2024-08-26** (v1) `5265b2a49bcb` — 1 info
  - the `index` response's property default value `0` was added for the status `200`
- **2023-09-21** (v1) `bf66b70e986b` — 1 info
  - added the new optional request property `Subject`
- **2023-08-10** (v1) `4e3f150aaa78` — 1 info
  - api tag `ConversationsV1Message` added

---

[Operation](https://skmtc.dev/twilio/apis/conversations-v1/docs/v1/Conversations/:ConversationSid/Messages/:Sid/post.md) · [API](https://skmtc.dev/twilio/apis/conversations-v1.md) · [Page](https://skmtc.dev/twilio/apis/conversations-v1/changes/v1/Conversations/:ConversationSid/Messages/:Sid/post)